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Design of multi-mode 4-switch buck-boost controller

Published: 19 August 2009 Publication History

Abstract

In order to raise the utilization ratio of Lithium-Ion batteries, a multi-mode buck-boost controller IC was proposed. It could be applied to a 4-switch cascade buck-boost converter capable of outputting non-inverting step down/step up voltages. By evaluating the relative relation between input and output voltages, the converter can transfer its work state between buck and boost mode automatically. A three phase transition mode was introduced to realize the seamless transition. The system was designed and simulated in 1.5-μm BCD technology. And the experimental results were consistent with expectations well.

References

[1]
Mark Gaboriault, Andrew Notman, "A High Efficiency, Non-Inverting, Buck-Boost DC-DC Converter", Applied Power Electronics Conference and Exposition, 2004. APEC '04, page(s): 1411--1415.
[2]
Biranchinath Sahu, Gabriel A. Rincón-Mora, "A Low Voltage, Dynamic, Noninverting, Synchronous Buck-Boost Converter for Portable Applications", IEEE Transactions on Power Electronics, VOL. 19, NO. 2, MARCH 2004, page(s): 443--452.
[3]
Robert W. Erickson, Dragan Masksimović, "Fundamentals of Power Electronics", University of Colorado, Boulder, Colorado, page(s): 134--136.
[4]
Jingquan Chen, Dragan MaksimoviC, Robert Erickson, "Buck-Boost PWM Converters Having Two Independently Controlled Switches", Power Electronics Specialists Conference, 2001. PESC. 2001, page(s): 736--741.
[5]
Arindam Chakraborty, Alireza Khaligh, Ali Emadi, "Combination of Buck and Boost Modes to Minimize Transients in the Output of a Positive Buck-Boost Converter", IEEE Industrial Electronics, IECON 2006, page(s): 2372--2377.

Cited By

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  • (2010)An improved integrated lossless self-matched current-sensing circuit based on Gm-C filter for 4-switch buck-boost topologyTENCON 2010 - 2010 IEEE Region 10 Conference10.1109/TENCON.2010.5686157(1548-1553)Online publication date: Nov-2010

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      cover image ACM Conferences
      ISLPED '09: Proceedings of the 2009 ACM/IEEE international symposium on Low power electronics and design
      August 2009
      452 pages
      ISBN:9781605586847
      DOI:10.1145/1594233

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      New York, NY, United States

      Publication History

      Published: 19 August 2009

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      Author Tags

      1. buck-boost controller
      2. seamless transition
      3. valley current mode

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      ISLPED '09 Paper Acceptance Rate 72 of 208 submissions, 35%;
      Overall Acceptance Rate 398 of 1,159 submissions, 34%

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      • (2010)An improved integrated lossless self-matched current-sensing circuit based on Gm-C filter for 4-switch buck-boost topologyTENCON 2010 - 2010 IEEE Region 10 Conference10.1109/TENCON.2010.5686157(1548-1553)Online publication date: Nov-2010

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